I have a American audi a5 from 2011 with mmi 3g hdd. I did a region conversion folowing this instructions
After this i updated the firmware from hnav_us_P0114 d1 to hnav_eu_K0257. Everything went well and the system rebooted wel. But after reboot i saw that the menu graphics are ok, but there is no visible text. Its all black. Its fine to scroll threw them and they react on selections. But it is not visible what you select. What can it be causing this. Is it maybe because of the huge step between the software versions? I really will apreciate the help. Thanks in advance.
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